<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools>
        <template #after>
          <el-button type="primary" size="small" @click="addPermission(1, '0')">添加权限</el-button>
        </template>
      </page-tools>
      <el-table border :data="list" row-key="id">
        <el-table-column label="名称" prop="name" />
        <el-table-column label="标识" align="center" prop="code" />
        <el-table-column label="描述" align="center" prop="description" />
        <el-table-column label="操作" align="center">
          <template v-slot="{row}">
            <el-button v-if="row.type===1" type="text" @click="addPermission(2, row.id)">添加</el-button>
            <el-button type="text" @click="editPermission(row.id)">编辑</el-button>
            <el-button type="text" @click="delPermission(row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <!-- 新增/编辑弹层 -->
    <el-dialog v-if="showDialog" :visible.sync="showDialog" :title="formData.id?'编辑':'新增'">
      <el-form ref="permForm" label-width="120px" :model="formData" :rules="rules">
        <el-form-item label="名称" prop="name">
          <el-input v-model="formData.name" style="width:90%" />
        </el-form-item>
        <el-form-item label="标识" prop="code">
          <el-input v-model="formData.code" style="width:90%" />
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="formData.description" style="width:90%" />
        </el-form-item>
        <el-form-item label="开启">
          <!-- 0关1开 -->
          <el-switch v-model="formData.enVisible" :inactive-value="0" active-value="1" style="width:90%" />
        </el-form-item>
      </el-form>
      <!-- 确定取消 -->
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button type="primary" size="small" @click="btnOK">确定</el-button>
          <el-button size="small" @click="showDialog=false">取消</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import { getPermissionList, addPermission, updatePermission, delPermission, getPermissionDetail } from '@/api/permission'
import { tranListToTreeData } from '@/utils'
export default {
  data() {
    return {
      list: [],
      showDialog: false, // 新增/编辑弹层是否显示
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 开启 0关1开
      },
      rules: {
        name: [{ required: true, message: '权限名称不能为空', trigger: 'blur' }],
        code: [{ required: true, message: '权限标识不能为空', trigger: 'blur' }]
      }
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    // 渲染列表
    async getPermissionList() {
      this.list = tranListToTreeData(await getPermissionList({}), '0') // 转化为树形结构
    },
    // 删除
    delPermission(id) {
      this.$confirm('确认删除？').then(() => {
        return delPermission(id)
      }).then(() => {
        this.$message.success('删除成功')
        this.getPermissionList()
      })
    },
    // 添加
    addPermission(type, pid) { // type为0根节点 1则子节点，根节点pid为0 子节点则为父节点的id
    // 清空数据
      this.formData = {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 开启 0关1开
      }
      this.formData.type = type
      this.formData.pid = pid
      this.showDialog = true
    },
    // 修改
    async editPermission(id) {
      this.formData = await getPermissionDetail(id)
      this.showDialog = true
    },
    btnOK() {
      this.$refs.permForm.validate().then(() => {
        // 校验成功
        if (this.formData.id) {
          // 修改
          return updatePermission(this.formData)
        }
        // 新增
        return addPermission(this.formData)
      }).then(() => {
        this.$message.success('操作成功')
        this.getPermissionList()
        this.showDialog = false
      })
    }
  }
}
</script>

<style>

</style>
